PSAT Math Multiple-Choice Question 594: Answer and Explanation

Question: 594

If Alaina wishes to paint all six faces of a rectangular box that has dimensions in feet of
8 × 4 × 6, how many square feet of paint does she need?

• A. 124
• B. 168
• C. 208
• D. 256

Correct Answer: C

Explanation:

(C) The box is drawn below:

Add up all of the surface areas of the six faces of the box. Since there are 2 of each face
dimension, you can set up your equation as follows:

2((8 × 4) + (4 × 6) + (8 × 6)) = 208